I have and still occasionally use Home Site and there is no problem setting
up similar color-coding for InterDev.  Check out Tools\Options\Text
Editor\Fonts And Colors.  I think you'll find what you want.

> Does anybody know how to make comments visually distinguished from code?

As for the Line Number search function, it is called by <CTRL G>, while on
the relevant page of your script.  Just enter the line number, hit ENTER and
you'll find the line in question highlighted.

> How can I go back to V. Interdev. and quickly find
> line 178
> without having to count the lines one by one of course?

Mark Moberly